Re: replication

From: Andrew Sullivan <ajs(at)commandprompt(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: replication
Date: 2008-06-25 12:24:49
Message-ID: 20080625122448.GB34573@commandprompt.com
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On Wed, Jun 25, 2008 at 01:52:00PM +0200, Allan Kamau wrote:
> Initially you may want to get the full dump (this applies also to the
> replication option) across to your other site.

Most of the replication systems I've seen require that _they_ send the
data to the remote site, so copying the data yourself is actually a
waste of bandwidth, since it's all going to get copied anyway. (They
have to do this because that's how they know that they're starting
from a point in time for which they have consistency information.)

You can indeed save on bandwith, however, by tunnelling your postgres
connections through an ssh tunnel that's using compression.

A

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Andrew Sullivan
ajs(at)commandprompt(dot)com
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http://www.commandprompt.com/

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